After you success with this setting, open your gmail email. You will get email confirmation of this setting. Open link in your gmail to accepting sharing your incoming and outgoing email from gmail shared to yahoo.com

My name is Toto Sugito. This is my notes when I try something. Maybe, this is NOT THE BEST SOLUTION for your problems. If you have other method or idea that better with my post, please share in this blog. Thank for visiting my site.